Python制作数据导入导出工具

'''
 Export and Import ElasticSearch Data.
 Simple Example At __main__
 @author: wgzh159@163.com
 @note: uncheck consistency of data, please do it by self
'''
 
import json
import os
import sys
import time
import urllib2
 
reload(sys)
sys.setdefaultencoding('utf-8') # @UndefinedVariable
 
class exportEsData():
 size = 10000
 def __init__(self, url,index,type):
 self.url = url+"/"+index+"/"+type+"/_search"
 self.index = index
 self.type = type
 def exportData(self):
 print("export data begin...")
 begin = time.time()
 try:
 os.remove(self.index+"_"+self.type+".json")
 except:
 os.mknod(self.index+"_"+self.type+".json")
 msg = urllib2.urlopen(self.url).read()
 print(msg)
 obj = json.loads(msg)
 num = obj["hits"]["total"]
 start = 0
 end = num/self.size+1
 while(start